MCQ
The value of $(0.68)^2 - (0.32)^2$ is:
- A$-1$
- B$0$
- C$1$
- ✓$0.36$
✓
Answer
Correct option: D.
$0.36$
D. $0.36.$
Solution:
Value $= (0.68 + 0.32) (0.68 - 0.32) = 0.36.$
Solution:
Value $= (0.68 + 0.32) (0.68 - 0.32) = 0.36.$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Find the reciprocal of $'0'.$
→Which of the following numbers by which $9408$ must be divided so that the quotient is a Perfect square?
→Tick $(\checkmark)$ the correct answer:
$x^3 - x =\ ?$
→$x^3 - x =\ ?$
What could be the possible one’s digit of the square root of $361?$
→Tick $(\checkmark)$ the correct answer in the folllowing: A car takes $2$ hours to reach a destination by travelling at $60\ km/hr.$ How long will it take while travelling at $80\ km/hr$
→The dimensions of a godown are 40 m, 25 m and 10 m . If it is filled with cuboidal boxes each of dimensions 2 m × 1.25 m × 1 m, then the number of boxes will be
The following is the map of a town. Based on it answer question $19 - 21$
.
The number of hospitals in the town is
→.
The number of hospitals in the town is
A number decreased by $27 \frac{1}{2} \%$ gives 87 . The number is
→A car takes 2 hours to reach a destination by travelling at $60 km / hr$. How long will it take while travelling at $80 km / hr$ ?
→Mark $(\checkmark)$ against the correct answer: $10p^2 + 11p + 3 =\ ?$
→